berry variety in zone 4b
Borealis honeyberry (haskap) in zone 4b
Borealis · Lonicera caerulea
- Zone
- 4b -25°F to -20°F
- Growing season
- 130 days
- Chill needed
- 1500 to 2000 below 45°F
- Days to harvest
- 30 to 50
The verdict
Detailed guidance for this section is being prepared. Check back soon.
About Borealis
Sweet-tart, intense flavor with raspberry-blueberry notes, large soft berries; fresh, jam, syrup. Saskatchewan release, the standard pollinator partner for Aurora.
Critical timing for zone 4b
Detailed guidance for this section is being prepared. Check back soon.
Common challenges in zone 4b
- ▸ Spring frost timing
- ▸ Apple scab pressure
- ▸ Cane berry winter dieback
Modified care for zone 4b
Detailed guidance for this section is being prepared. Check back soon.
Borealis in adjacent zones
Other honeyberry (haskap) varieties for zone 4b
- Aurora
Sweet-tart, complex blueberry-grape-raspberry flavor, soft elongated dark-blue berries; fresh, jam, baking, fr…
- Indigo Treat
Sweet-tart, rich complex flavor; fresh and jam. Cornell-evaluated cultivar with reliable productivity in north…
- Tundra
Sweet-tart, balanced flavor, firmer than other haskaps; fresh, processing, mechanical harvest. Productive Sask…
Frequently asked questions
- Will Borealis honeyberry (haskap) grow in zone 4b?
Yes. Borealis is recommended for USDA zones 3a through 6b, which includes zone 4b.
- Are there enough chill hours in zone 4b?
Honeyberry (Haskap) needs 1500 to 2000 chill hours. Zone 4b typically meets this range; check local microclimate against historical chill totals to confirm.
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Image: "Lonicera coerulea a3", by Opioła Jerzy (Poland), via Wikimedia Commons, licensed under CC-BY Source.
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